Home / 30,364.35-45,555.45-15,583.59

Finding the Fourth Proportional to 30,364.35, 45,555.45 and 15,583.59

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Solution

The fourth proportional to 30,364.35, 45,555.45 and 15,583.59 is: 23,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.35 : 45,555.45 = 15,583.59 : x
  2. Step 2: Convert to fraction form
    30,364.35/45,555.45 = 15,583.59/x
  3. Step 3: Cross multiply
    30,364.35x = 45,555.45 × 15,583.59
  4. Step 4: Simplify right side
    30,364.35x = 709,917,455.07
  5. Step 5: Solve for x
    x = 709,917,455.07/30,364.35
  6. Step 6: Final answer
    x = 23,379.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.